EFI File

What are EFI files and how to open them

Are you having problems opening an EFI file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your EFI files.

What is an EFI file?

An .EFI file is an Extensible Firmware Interface X86-64 Application file.

Files with the .efi extension are most commonly associated with Extensible Firmware Interface files. These files define the interface between platform firmware and a user's operating system. They create the environment for booting the user's operating system and running various pre-boot applications.

How to open EFI files

Important: Different programs may use files with the EFI file extension for different purposes, so unless you are sure which format your EFI file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested three different EFI openers which you will find listed below.

Last updated: November 15, 2022

Various apps that use files with this extension

These apps are known to open certain types of EFI files. Remember, different programs may use EFI files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about EFI file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.